#include <cs50.h>
#include <stdio.h>

int main(void)
{
    char c = get_char("Are you agree?")

    if (c = 'y' || c = 'Y');
    {
        printf ("agree\n");
    }
    else if (c = 'n' || c = 'N');
    {
        printf("not agree\n");
    }

    return 0;
}